Defined in header <chrono> | ||
---|---|---|
template <class CharT, class Traits, class Duration, class TimeZonePtr > std::basic_ostream<CharT, Traits>& operator<<( std::basic_ostream<CharT, Traits>& os, const std::chrono::zoned_time<Duration, TimeZonePtr>& tp ); | (since C++20) |
Outputs tp
to the stream os
, as if by std::format(os.getloc(), fmt, tp)
, where fmt
is "{:L%F %T %Z}"
if CharT
is char
, or L"{:L%F %T %Z}"
if CharT
is wchar_t
.
os | - | output stream |
tp | - | zoned_time to output |
os
.
The following behavior-changing defect reports were applied retroactively to previously published C++ standards.
DR | Applied to | Behavior as published | Correct behavior |
---|---|---|---|
P2372R3 | C++20 | the given locale was used by default | L is needed to use the given locale |
(C++20) | formatting support for zoned_time (class template specialization) |
© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
https://en.cppreference.com/w/cpp/chrono/zoned_time/operator_ltlt